Days in ICU | ||||
Factor | Untransformed values | Log-transformed laboratory values | ||
r | P value | r | P value | |
Age | 0.270 | 0.014 | ||
BMI | 0.067 | 0.56 | ||
Maximum body temperature recorded | 0.486 | <0.001 | ||
Respiratory rate (highest) | 0.764 | <0.001 | ||
Systolic | −0.619 | <0.001 | ||
Diastolic | −0.615 | <0.001 | ||
Lowest SpO2 recorded | −0.647 | <0.001 | ||
Hemoglobin | −0.420 | <0.001 | ||
White cell count | 0.481 | <0.001 | 0.481 | 0.000 |
Lymphocyte count | −0.329 | 0.004 | −0.329 | 0.004 |
Platelet count | 0.076 | 0.52 | 0.076 | 0.52 |
LDH | 0.310 | 0.055 | 0.310 | 0.055 |
CRP | 0.216 | 0.13 | 0.216 | 0.13 |
Procalcitonin | 0.587 | <0.001 | 0.587 | <0.001 |
Lactic acid | 0.416 | 0.009 | 0.491 | <0.001 |
HCO3 | −0.170 | 0.15 | ||
AST | 0.491 | <0.001 | 0.323 | 0.005 |
ALT | 0.323 | 0.005 | 0.318 | 0.062 |
INR | 0.318 | 0.062 | 0.403 | 0.041 |
PTT | 0.403 | 0.041 | 0.222 | 0.060 |
Total bilirubin | 0.222 | 0.060 | 0.339 | 0.17 |
CK | 0.339 | 0.17 | 0.333 | 0.003 |
Na | −0.046 | 0.69 | ||
K | 0.333 | 0.003 | 0.060 | 0.61 |
Cl | 0.060 | 0.61 | 0.600 | <0.001 |
D-Dimer | 0.600 | <0.001 | 0.216 | 0.40 |
Pro-BNP | 0.216 | 0.40 | 0.524 | <0.001 |
Lipase | 0.142 | 0.70 | 0.416 | 0.009 |
Troponin | 0.524 | <0.001 | −0.258 | 0.74 |
pH | −0.459 | 0.014 | 1.000 | 1.000 |
PO2 | 0.040 | 0.84 | 1.000 | 1.000 |
PCO2 | 0.258 | 0.18 | 0.142 | 0.70 |
ALT, alanine aminotransferase; AST, aspartate aminotransferase; BMI, body mass index; BNP, beta natriuretic peptide; CK, creatine kinase; Cl, chloride; CRP, C reactive protein; HCO3, bicarbonate; ICU, intensive care unit; INR, international normalized ration; K, potassium; LDH, lactate dehydrogenase; Na, sodium; PCO2, partial pressure of carbon dioxide; PO2, partial pressure of oxygen; PTT, partial thromboplastin time; SpO2, oxygen saturation.